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Official data from INPI

GERADOR DE DIÓXIDO DE CLORO

Em AnáliseInvention Patent

Application data

Number

PI8600630

Type

Invention Patent

Filing

02/14/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing02/14/86
  2. Publication09/01/87
  3. Examination11/03/87
  4. Allowance07/02/91
  5. Grant04/28/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

José Carlos da Silva., brasileiro

SP, BR

Inventors

J. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

Carta-patente expirada

#21.1

Patente extinta em 14/02/2001

07/22/2008

RPI 1959

Pedido de licença compulsória

#20.1

05/04/1993

RPI 1170

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

10/29/1991

RPI 1091

Deferimento

#9.1

07/02/1991

RPI 1074

Exigência - art. 36 da LPI

#6.1

12/26/1990

RPI 1047

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